Variable    Items Cronbach’s alpha

Collectivism
  • Percentage of multi-generational households
  • Ratio of persons carpooling to work to those driving alone
  • Percentage of minorities

0.60

Power Distance
  • GINI index
  • Percentage of adults with high school degree or more
  • Percentage of persons employed in professional, technological, & managerial occupations

0.80

Femininity
  • Percentage of females in labor force
  • Percentage of females with Professional or doctoral degrees
  • Percentage of females in Professional, technological, & managerial occupations

0.83

Urbanicity
  • Popuation density-log transformed

Single index

Community economic status
  • Median household income-log transfoimed

Single index